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Lesson 13 List Of Operating Systems


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Operating Systems

Operating Systems

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  • 1. MODULE IN ITE229 - OPERATING SYSTEMS 26 Prepared by: For-Ian V. Sandoval LESSON 13 LIST OF OPERATING SYSTEMS Operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. The following tables show the different kinds of operating system that runs on different kind of machines. Table 1. Operating systems categorized by proprietary or ownership. PROPRIETARY OPERATING SYSTEM Acorn • Arthur • ARX • MOS (on the BBC Micro and BBC Master) • RISC OS • RISC iX (based on 4.3BSD) Amiga • AmigaOS • AmigaOS 1.0-3.9 • AmigaOS 4 • AmigaOS 4.0 • AmigaOS 4.1 • AmigaOS 5 • Amiga Anywhere 2 • Amiga Unix (aka Amix) Apollo • AEGIS/Domain/OS One of the first network-based systems. Ran on Apollo/Domain hardware. Later bought by Hewlett-Packard Apple • Apple DOS • ProDOS • GS/OS • SOS (Sophisticated Operating System) • Lisa OS • Mac OS System Software 1
  • 2. MODULE IN ITE229 - OPERATING SYSTEMS 27 Prepared by: For-Ian V. Sandoval • Mac OS System Software 2 • Mac OS System Software 3 • Mac OS System Software 4 • Mac OS System Software 5 • Mac OS System Software 6 • Mac OS System 7 • Mac OS 8 • Mac OS 9 • A/UX • MkLinux • Mac OS X 10. 0 “Cheetah” • Mac OS X 10. 1 “Puma” • Mac OS X 10. 2 “Jaguar” • Mac OS X 10. 3 “Panther” • Mac OS X 10. 4 “Tiger” • Mac OS X 10. 5 “Leopard” • Mac OS X 10. 6 “Snow Leopard” • Mac OS X Server • Darwin • iPhone OS • Apple Newton OS Atari • Atari DOS • Atari TOS • Atari MultiTOS BAE System • BeOS • BeIA • ZETA Burroughs (later Unisys) • BTOS • MCP (Burroughs Large Systems) Convergent Technologies • CTOS (later acquired by Unisys) Digital/Tandem • OS/8 Computers/Compaq/HP • ITS (for the PDP-6 and PDP-10) • Multi-Programming Executive (from HP) • TOPS-10 (for the PDP-10) • WAITS (for the PDP-6 and PDP-10) • TENEX (from BBN, for the PDP-10)
  • 3. MODULE IN ITE229 - OPERATING SYSTEMS 28 Prepared by: For-Ian V. Sandoval • TOPS-20 (for the PDP-10) • RSTS/E (multi-user time-sharing OS for PDP-11s) • RSX-11 (multiuser, multitasking OS for PDP-11s) • RT-11 (single user OS for PDP-11) • VMS (originally by DEC, now by HP) for the VAX mini-computer range, Alpha and Intel Itanium 2; later renamed OpenVMS) • Domain/OS (originally Aegis, from Apollo Computer who were bought by HP) • RTE HP's Real Time Executive (ran on the HP 1000) • TSB HP's Time Share Basic (yes, it was an operating system, ran on the HP 2000 series) • Digital UNIX (derived from OSF/1, became HP's Tru64 UNIX) • HP-UX • Ultrix • NonStop Kernel - Guardian • NonStop Kernel - OSS (POSIX- compliant Open System Services) Fujitsu • Towns OS Green Hills Software • INTEGRITY Reliable Operating system • NTEGRITY-178B A DO-178B certified version of INTEGRITY. • µ-velOSity A lightweight microkernel Hewlett-Packard • RTE Real-time Environment; ran on HP1000 series computers • MPE Multi-programming Executive; ran on HP3000 mini-computers • HP-UX HP-UX; runs on HP9000 and Itanium servers - from small to mainframe-class computers Intel • iRMX real-time operating system originally created to support the Intel 8080 and 8086 processor families in
  • 4. MODULE IN ITE229 - OPERATING SYSTEMS 29 Prepared by: For-Ian V. Sandoval embedded applications IBM • IBM 7090/94 IBSYS • SYSTEM 1400/1800 IJMON A Bootable serial I/O monitor for loading programs. • BOS/360 Early interim version of DOS/ 360, briefly available at a few Alpha & Beta System 360 sites. • TOS/360 Similar to BOS above and more fleeting, able to boot and run from 2x00 series tape drives. • DOS/360 Disk Operating System. First commonly available OS for System/360 due to problems in the OS/360 Project. Multi-programming system with up to 3 partitions • DOS/360/RJE DOS/360 with a control program extension that provided for the monitoring of Remote Job Entry hardware (Card Reader & Printer) connected by dedicated phone lines • DOS/VSE First DOS offered on System/370 systems, provided Virtual Storage Extensions, and SNA. Still had fixed size processing partitions, but up to 14 partitions • DOS/VSE/ESA DOS/VSE extended virtual memory support to 32 bit addresses (Extended System Architecture) • z/VSE Latest version of the four decades old DOS lineage. Now supports 64 bit addresses, Multiprocessing, Multiprogramming, SNA, TCP/IP, and some virtual machine features in support of Linux workloads. OS/360 First official OS targeted for the System/360 architecture • RTOS Real Time Operating System, run on 5 NASA custom System/360/75s. A mash up by the
  • 5. MODULE IN ITE229 - OPERATING SYSTEMS 30 Prepared by: For-Ian V. Sandoval Federal Systems Division of the MFT system management, PCP basic kernel and file system, with MVT task management and FSD custom real time kernel extensions and error management. The pinnacle of OS/360 development • OS/370 The official port of OS/360 targeted for the System/370 virtual memory architecture • OS/VS1 Virtual-memory version of OS/MFT • OS/VS2 Virtual-memory version of OS/MVT • MUSIC/SP Mainframe operating system for IBM hardware, developed by McGill University • OS/390 Upgrade to MVS, with an additional Unix-like environment • z/OS z/Architecture version of OS/390 • TPF z/OS extension • CP/CMS Control Program / Cambridge Monitor System, Virtual Machine operating System for System/360 Model 44 and 67 • VM/CMS Virtual Machine / Conversational Monitor System, VM (operating system) for System/370 with Virtual Memory • VM/XA VM (operating system) eXtended Architecture for System/370 with extended Virtual Memory • VM/ESA Virtual Machine /Extended System Architecture, added 32 bit addressing to VM series • z/VM z/Architecture version of the VM OS (64 bit addressing) • IBM System/34, 36 System Support Program, or SSP • OS/400 descendant of System/38 CPF • i5/OS extends OS/400 with significant
  • 6. MODULE IN ITE229 - OPERATING SYSTEMS 31 Prepared by: For-Ian V. Sandoval interoperability features • AIX (a System V Unix version) • AOS (a BSD Unix version) • PC-DOS IBM supported, documented, and licensed copies of Microsoft MS-DOS • OS/2 Warp • eComStation (Warp 4.5/Workspace on Demand, rebundled by Serenity Systems International) • IBM 8100 DPCX • IBM 8100 DPPX • K42 PowerPC or Intel x86 based cache-coherent multiprocessor systems (IBM Website) • IBM EDX Event Driven Executive for the IBM/Series 1 minicomputers • IBM RPS Realtime Programming System for the IBM/Series 1 minicomputers ICL (formerly ICT) • GEORGE 2/3/4 GEneral ORGanisational Environment, used by ICL 1900 series mainframes • VME by International Computers Limited (ICL), particularly appearing on the ICL 2900 Series LynuxWorks • LynxOS (originally Lynx Real-time Systems) Micrium • MicroC/OS-II (Small pre-emptive priority based multi-tasking kernel) Microsoft • Xenix • MSX-DOS • MS-DOS • Windows CE 3.0 • Windows Mobile • Windows CE 5.0 • Windows 1.0, • Windows 2.0,
  • 7. MODULE IN ITE229 - OPERATING SYSTEMS 32 Prepared by: For-Ian V. Sandoval • Windows 3.0 • Windows 3.1x • Windows 3.2 • Windows 95 (aka Windows 4.0) (codename: Chicago) • Windows 98 (aka Windows 4.1) (codename: Memphis) • Windows Millennium Edition (often shortened to Windows Me) (aka Windows 4.9) • OS/2 • Windows NT 3.1 • Windows NT 3.5 • Windows NT 3.51 • Windows NT 4.0 • Windows 2000 (aka Windows NT 5.0) • Windows XP (aka Windows NT 5.1) (codename: Whistler) • Windows Server 2003 (aka Windows NT 5.2) (codename: Whistler Server) • Windows Fundamentals for Legacy PCs (aka Windows NT 5.1) • Windows Vista (aka Windows NT 6.0) (codename: Longhorn) • Windows Home Server • Windows Server 2008 (aka Windows NT 6.0) (codename: Longhorn Server) • Windows 7 (previously codenamed Blackcomb, then Vienna) • Windows Preinstallation Environment (WinPE) • Singularity • Midori Novell • Netware • Suse Linux RCA • TSOS SCO/The SCO Group • Xenix • Xenix 286 • Xenix 386 • SCO Unix
  • 8. MODULE IN ITE229 - OPERATING SYSTEMS 33 Prepared by: For-Ian V. Sandoval • SCO Open Desktop • SCO OpenServer 5 • UnixWare 2x, • UnixWare 7 • SCO OpenServer 6 Unicoi System • Fusion RTOS • DSPOS Wind River Systems • VxWorks Non Standard Languages • Pilot Operating System • PERQ Operating System (POS) Lisp-based Operating System • Lisp Machine Operating System Other • EOS (Operating System), developed by ETA Systems for use in their ETA-10 line of supercomputers • EMBOS, developed by Elxsi for use on their mini-supercomputers • GCOS is a proprietary Operating System originally developed by General Electric • PC-MOS/386 - DOS-like, but multiuser/multitasking • SINTRAN III - an operating system used with Norsk Data computers. • THEOS • TinyOS • TRS-DOS a floppy-disk-oriented OS supplied by Tandy/Radio Shack for their Z80-based line of personal computers. • TX990/TXDS, DX10 and DNOS - proprietary operating systems for TI-990 minicomputers • MAI Basic Four - An OS implementing Business Basic from MAI Systems. • Michigan Terminal System - Developed by a group of American universities for IBM 360 series mainframes • MUSIC/SP (an operating system developed for the S/370, running normally under VM) • TSX-32, a 32-bit operating system for
  • 9. MODULE IN ITE229 - OPERATING SYSTEMS 34 Prepared by: For-Ian V. Sandoval x86 platform. • OS ES An operating system for ES EVM • Prolog-Dispatcher - used to control Soviet Buran space ship Other proprietary Unix-like and • Aegis (Apollo Computer) POSIX-compliant • Amiga Unix (Amiga ports of Unix System V release 3.2 with Amiga A2500UX and SVR4 with Amiga A3000UX. Started in 1989, last version was in 1992) • Clix (Intergraph's System V implementation) • Coherent (Unix-like OS from Mark Williams Co. for PC class computers) • DC/OSx (DataCenter/OSx was an operating system for MIPS based systems developed by Pyramid Technology) • DG/UX (Data General Corp) • DNIX from DIAB • DSPnano RTOS (POSIX nanokernel, DSP Optimized, Open Source) • Idris workalike from Whitesmiths • INTERACTIVE UNIX (a port of the UNIX System V operating system for Intel x86 by INTERACTIVE Systems Corporation) • IRIX from SGI • MeikOS • NeXTSTEP (developed by NeXT; a Unix-based OS based on the Mach microkernel) • OS-9 Unix-like RTOS. (OS from Microware for Motorola 6809 based microcomputers) • OS9/68K Unix-like RTOS. (OS from Microware for Motorola 680x0 based microcomputers; based on OS-9) • OS-9000 Unix-like RTOS. (OS from Microware for Intel x86 based microcomputers; based on OS-9,
  • 10. MODULE IN ITE229 - OPERATING SYSTEMS 35 Prepared by: For-Ian V. Sandoval written in C) • OSF/1 (developed into a commercial offering by Digital Equipment Corporation) • OPENSTEP • QNX (POSIX, microkernel OS; usually a real time embedded OS) • Pardus (Turkish Linux) • Rhapsody (an early form of Mac OS X) • RISC/os (a port by MIPS of 4.3BSD to the RISC MIPS architecture) • RMX • SCO UNIX (from SCO, bought by Caldera who renamed themselves SCO Group) • SINIX (a port by SNI of Unix to the RISC MIPS architecture) • Solaris (Sun's System V-based replacement for SunOS) • SunOS (BSD-based Unix system used on early Sun hardware) • SUPER-UX (a port of System V Release 4.2MP with features adopted from BSD and Linux for NEC SX architecture supercomputers) • System V (a release of AT&T Unix, 'SVR4' was the 4th minor release) • System V/AT, 386 (The first version of AT&T System V UNIX on the IBM 286 and 386 PCs, ported and sold by Microport) • Trusted Solaris (Solaris with kernel and other enhancements to support multilevel security) • UniFlex (Unix-like OS from TSC for DMA-capable, extended addresses, Motorola 6809 based computers; e.g. SWTPC, GIMIX, …) • Unicos (the version of Unix designed for Cray Supercomputers, mainly geared to vector calculations)
  • 11. MODULE IN ITE229 - OPERATING SYSTEMS 36 Prepared by: For-Ian V. Sandoval • Unison RTOS (Multicore RTOS with DSP Optimization SDS (Scientific Data Systems) • CP Control Program SDS later acquired by Xerox, then Honeywell. TRON Project • TRON (an open real-time operating system kernel) UNIVAC (later Unisys) • EXEC I • EXEC II • EXEC 8 Ran on 1100 series. • VS/9, successor to RCA TSOS WAVECOM • Open AT OS Table 2. Operating systems categorized by non-proprietary Unix-like. NON-PROPRIETARY OPERATING SYSTEM Unix-Like • TUNIS Research Unix-like and other • Minix (study OS developed by POSIX-compliant Andrew S. Tanenbaum in the Netherlands) • Plan 9 (distributed OS developed at Bell Labs, based on original Unix design principles yet functionally different and going much further) • Inferno (distributed OS derived from Plan 9, originally from Bell Labs) • Plan B (distributed OS derived from Plan 9 and Off++ microkernel) • Solaris, contains original Unix (SVR4) code (code now open source via OpenSolaris project) • Unix (OS developed at Bell Labs ca 1970 initially by Ken Thompson) • Xinu, (Study OS developed by Douglas E. Comer in the USA) Free Unix-like • BSD (Berkeley Software Distribution, a (aka open source) variant of Unix for DEC VAX hardware) • GNU
  • 12. MODULE IN ITE229 - OPERATING SYSTEMS 37 Prepared by: For-Ian V. Sandoval • Linux • OpenDarwin • OpenSolaris, contains original Unix (SVR4) code • SSS-PC Developed at Tokyo University • Syllable • VSTa Table 3. Operating systems categorized by non-proprietary non-Unix-like. NON-PROPRIETARY OPERATING SYSTEM Research non-Unix-like • Amoeba (research OS by Andrew S. Tanenbaum) • Croquet • House Haskell User's Operating System and Environment, research OS written in Haskell and C. • ILIOS Research OS designed for routing • EROS microkernel, capability-base • L4 Second generation microkernel • Mach (from OS kernel research at Carnegie Mellon University) • MONADS capability-based OS designed to support the MONADS hardware projects • Nemesis Cambridge University research OS - detailed quality of service abilities. • Singularity - A research operating system written mostly in managed code (C#) by Microsoft. • Spring (research OS from Sun Microsystems) • V from Stanford, early 1980s Open Source non-Unix-like • FullPliant (programming language based) • FreeDOS (open source DOS variant) • FreeVMS (open source VMS variant) • Haiku (open source inspired by BeOS, under development)
  • 13. MODULE IN ITE229 - OPERATING SYSTEMS 38 Prepared by: For-Ian V. Sandoval • ReactOS (free software Windows NT compatible OS, in early development since 2001) • osFree (open source OS/2 implementation) Table 4. Operating systems categorized as Disk Operating System OPERATING SYSTEM Disk Operating System (DOS) • 86-DOS (developed at Seattle Computer Products by Tim Paterson for the new Intel 808x CPUs; licensed to Microsoft, became PC DOS/MS- DOS. Also known by its working title QDOS.) • PC DOS (IBM's DOS variant, developed jointly with Microsoft, versions 1.0 – 7, 2000). • MS-DOS (Microsoft's DOS variant for OEM, developed jointly with IBM, versions 1.x – 6. Microsoft's now abandoned DOS variant) • DR-DOS (Digital Research's [later Novell, Caldera, ...] DOS variant). a.) Concurrent DOS (Digital Research's first multiuser DOS variant). b.) Multiuser DOS (Digital Research's [later CCI's. Real's/...] multiuser DOS variant) • FreeDOS (open source DOS variant) • ProDOS (operating system for the Apple II series computers) • PTS-DOS (DOS variant by Russian company Phystechsoft) • RDOS (Data General Corp) • TurboDOS (Software 2000, Inc.) • Multi-tasking user interfaces and environments for DOS. a.) DESQview+ QEMM 386 multi-tasking user interface for DOS and b.) DESQView/X (X-windowing GUI for
  • 14. MODULE IN ITE229 - OPERATING SYSTEMS 39 Prepared by: For-Ian V. Sandoval DOS) Table 5. Operating systems categorized as Network Operating System OPERATING SYSTEM Network Operating System • Cambridge Ring • CSIRONET by (CSIRO) • CTOS (Convergent Technologies, later acquired by Unisys) • Data ONTAP by NetApp • SAN-OS by Cisco • EOS by McDATA • Fabric OS by Brocade • JUNOS (Juniper Networks) • NetWare (networking OS by Novell) • NOS (developed by CDC for use in their Cyber line of supercomputers) • Novell Open Enterprise Server (Open Source networking OS by Novell. Can incorporate either SUSE Linux or Novell NetWare as its kernel). • OliOS • Plan 9 (distributed OS developed at Bell Labs, based on Unix design principles but not functionally identical) • Inferno (distributed OS derived from Plan 9, originally from Bell Labs) • Plan B (distributed OS derived from Plan 9 and Off++ microkernel) • TurboDOS (Software 2000, Inc.) Table 6. Operating systems categorized as Web Operating System OPERATING SYSTEM
  • 15. MODULE IN ITE229 - OPERATING SYSTEMS 40 Prepared by: For-Ian V. Sandoval Web Operating System • amoebaOS • DesktopTwo • • YouOS • Browser OS • eyeOS • Jooce Table 7. Operating systems categorized as generic/commodity, non-Unix and other. OPERATING SYSTEM Generic/Commodity, non-Unix • BLIS/COBOL and other • Bluebottle also known as AOS (a concurrent and active object update to the Oberon operating system) • BS1000 by Siemens AG • BS2000 by Siemens AG, now BS2000/ OSD from Fujitsu-Siemens Computers (formerly Siemens Nixdorf Informationssysteme) • BS3000 by Siemens AG (functionally similar to OS-IV and MSP from Fujitsu) • Control Program/Monitor (CP/M) • FLEX9 (by TSC for Motorola 6809 based machines; successor to FLEX, which was for Motorola 6800 CPUs) • FutureOS (for Amstrad/Schneider CPC6128 and CPCPlus machines) • GEM (windowing GUI for CP/M, DOS, and Atari TOS) • GEOS (popular windowing GUI for PC, Commodore, Apple computers) • JavaOS • JNode's OS written 99% in Java (native compiled), provides own JVM and JIT compiler. Based on GNU Classpath • JX Java operating system that focuses on a flexible and robust
  • 16. MODULE IN ITE229 - OPERATING SYSTEMS 41 Prepared by: For-Ian V. Sandoval operating system architecture developed as an open source system by the University of Erlangen. • KERNAL (default OS on Commodore 64) • MERLIN for the Corvus Concept • MorphOS (Amiga compatible) • MSP by Fujitsu (successor to OS-IV), now MSP/EX[4], also known as Extended System Architecture (EXA), for 31-bit mode • nSystem by Luis Mateu at DCC, Universidad de Chile • NetWare (networking OS by Novell) • Oberon operating system (developed at ETH-Zürich by Niklaus Wirth et al) for the Ceres and Chameleon workstation projects. see also Oberon programming language • OSD/XC by Fujitsu-Siemens (BS2000 ported to an emulation on a Sun SPARC platform) • OS-IV by Fujitsu (based on early versions of IBM's MVS) • Pick (often licensed and renamed) • PRIMOS by Prime Computer (sometimes spelled PR1MOS and PR1ME) • Sinclair QDOS (multitasking for the Sinclair QL computer) • SkyOS (Commercial desktop OS for PCs) • SSB-DOS (by TSC for Smoke Signal Broadcasting; a variant of FLEX in most respects) • SymbOS (GUI based multitasking operating system for Z80 computers) • Symobi (GUI based modern micro- kernel OS for x86, ARM and PowerPC processors, used and developed further at Technical University of Munich) • TripOS, 1978
  • 17. MODULE IN ITE229 - OPERATING SYSTEMS 42 Prepared by: For-Ian V. Sandoval • UCSD p-System (portable complete programming environment/operating system/virtual machine developed by a long running student project at the Univ Calif/San Diego; directed by Prof Ken Bowles; written in Pascal) • UMIX, made for the ICFP Programming Contest 2006. • VOS by Stratus Technologies with strong influence from Multics • VOS by Hitachi for its IBM-compatible mainframes, based on IBM's MVS • VM2000 by Siemens AG • VisiOn (first GUI for early PC machines; not commercially successful) • VPS/VM (IBM based, main operating system at Boston University for over 10 years.) • aceos under GPL • Miraculix Russian OS, under unknown license. Table 8. Operating systems for Elektronica BK Soviet personal computer OPERATING SYSTEM Elektronica BK Soviet personal • ANDOS computer • AO-DOS • BASIS • CSI-DOS • DOSB10 • DX-DOS • FA-DOS • HC-DOS • KMON (operating system)|KMON • MicroDOS • MK-DOS • NORD • NORTON-BK • RAMON
  • 18. MODULE IN ITE229 - OPERATING SYSTEMS 43 Prepared by: For-Ian V. Sandoval • PascalDOS • RT-11 o ROM embedded o RT-11SJ o OS BK-11 (RT-11 version) • Turbo-DOS • BKUNIX • OS/A WASP Table 9. Operating systems categorized as Hobby OPERATING SYSTEM Hobby Operating System • AROS (AROS Research Operating System, formerly known as Amiga Research Operating System) • AtheOS branched to become Syllable • DexOS, (Game console-like operating system for 32-bit x86 computers) • EROS • FAMOS Foremost Advanced Memory Operating System • HelenOS • KolibriOS (fork of MenuetOS) • LoseThos • LSE/OS • MenuetOS (extremely compact OS with GUI, written entirely in FASM assembly language) • NewOS • Syllable (a modern, independently originated OS; see AtheOS) • Visopsys • TajOS Table 10. Operating systems categorized as Embedded Operating System OPERATING SYSTEM
  • 19. MODULE IN ITE229 - OPERATING SYSTEMS 44 Prepared by: For-Ian V. Sandoval Embedded Operating System • A/ROSE • Embedded Linux • FreeBSD • FreeRTOS • Inferno (distributed OS, Bell Labs) • LynxOS • MINIX 3 • .NET Micro Framework • OS/RT • Open AT OS • polyBSD (embedded NetBSD) • QNX • RTXC Quadros RTOS by Quadros Systems • ROM-DOS • T2 SDE • VxWorks • Windows XP Embedded • Windows CE Embedded Operating System • Inferno (distributed OS originally from in Personal Digital Assistants Bell Labs) (PDAs) • Palm OS from Palm Inc; now spun off as PalmSource • EPOC originally from Psion (UK), now from Symbian, preferred name now is Symbian OS • Windows CE, from Microsoft o Pocket PC from Microsoft, a variant of Windows CE. o Windows Mobile from Microsoft, a variant of Windows CE. • Linux on Sharp Zaurus and Ipaq • DOS on Poqet PC • Newton OS on Apple Newton Messagepad • VT-OS for the Vtech Helio • Internet Tablet OS based on Debian Linux and deployed on Nokia's Nokia 770, N800 and N810 Internet Tablets. • Magic Cap
  • 20. MODULE IN ITE229 - OPERATING SYSTEMS 45 Prepared by: For-Ian V. Sandoval Embedded Operating System • ipodlinux in Music Players • Pixo • RockBox • iPhone OS • iriver clix UI Embedded Operating System • BlackBerry OS in Smartphones • Embedded Linux o Android o Openmoko Linux o Mobilinux o MontaVista o MotoMagx o Qtopia o LiMo Platform • iPhone OS • JavaFX Mobile • Palm OS • Symbian OS • Windows CE o Windows Mobile Embedded Operating System • AirOS by Ubiquiti networks in Router • CatOS by Cisco Systems • Cisco IOS (originally Internetwork Operating System) by Cisco Systems • CyROS by Cyclades • DD-WRT by NewMedia-NET • Inferno (distributed OS originally from Bell Labs) • IOS-XR by Cisco Systems • JunOS by Juniper Networks • RouterOS by Mikrotik • ROX by Ruggedcom • ScreenOS by Juniper Networks originally from Netscreen Embedded Operating System • BeRTOS in Micro-Controller, Real-time • ChibiOS/RT GPL licensed RTOS • ChorusOS • Contiki written in C • DSPnano RTOS (POSIX nanokernel, DSP Optimizations, Open Source)
  • 21. MODULE IN ITE229 - OPERATING SYSTEMS 46 Prepared by: For-Ian V. Sandoval • eCos • embOS (Segger) • FreeRTOS • Fusion RTOS • INtime RTOS for Windows, an evolutionary variant of iRMX for Windows designed for 32-bit Windows platforms • iRMX (originally developed by Intel) • Inferno (distributed OS originally from Bell Labs) • INTEGRITY • LUnix written in 6502 • LynxOS • MenuetOS • MontaVista Linux (see also Embedded Linux) • Nucleus • OS-9 by Microware • Operating System Embedded: OSE • OSEK • OS/RT • Phoenix-RTOS • Prex • QNX • RTAI • RTEMS (Real-Time Executive for Multiprocessor Systems) • RTLinux by Wind River Systems • RTXC Quadros RTOS by Quadros Systems • SCIOPTA RTOS • ThreadX • TRON Project and ITRON Project (related to BTRON, CTRON, MTRON, etc.) • μClinux • uKOS • µOS++ (micro OS plus plus) • Unison Operating System / Unison DSP Operating System (RTOS) / Unison RTOS (Multicore DSP Operating System)
  • 22. MODULE IN ITE229 - OPERATING SYSTEMS 47 Prepared by: For-Ian V. Sandoval • VRTX / Versatile Real-Time Executive • VxWorks by Wind River Systems • XMK (eXtreme Minimal Kernel) • Xenomai Table 11. Capability-based Operating systems OPERATING SYSTEM LEGO Mindstorms • BrickOS operating system • leJOS operating system • ChyanOS operating system Other capability-based OS • KeyKOS nanokernel • EROS microkernel • CapROS EROS successor • Coyotos EROS successor, goal: be first formally verified OS • MONADS designed to support the MONADS hardware projects. • SPEEDOS builds on MONADS ideas • V from Stanford, early 1980s